.content {
	text-align: center;
	height: 100%;
}
.canvas_box{
	.canvas_box_mask{
		width: 100%;
		height: 100%;
		position: fixed;
		top: 0;
		right: 0;
		bottom: 0;
		left: 0;
		background: rgba(0, 0, 0, 0.5);
		z-index:9;
	}
	.canvas{
		position: fixed !important;
		top: 0 !important;
		left: 0 !important;
		display: block !important;
		width: 100% !important;
		height: 100% !important;
		z-index: 9;
	}
	.save_btn{
	   position: fixed;	
	   bottom: 140upx;
	   left:  440upx;
	   z-index: 16;
	   margin: 0 auto;		
	   width: 200upx;
	   height: 80upx;
	   line-height: 80upx;
	   font-size: 32upx;
	   border-radius: 58.82upx;
	   background: -webkit-gradient(linear,0% 0%, 0% 100%, from(#FFE387), to(#FEC554), color-stop(0.5,#FFD569));
	   -moz-box-shadow:0px 7px 10px rgba(253, 173, 105,.7); -webkit-box-shadow:0px 7px 10px rgba(253, 173, 105,.7); box-shadow:0px 7px 10px rgba(253, 173, 105,.7);
	}
	.canvas_btn{
		position: fixed;
		bottom: 140upx;
		left:  115upx;
		z-index: 16;
		margin: 0 auto;		
		width: 200upx;
		height: 80upx;
		line-height: 80upx;
		font-size: 32upx;
		border-radius: 58.82upx;
		background: -webkit-gradient(linear,0% 0%, 0% 100%, from(#FFE387), to(#FEC554), color-stop(0.5,#FFD569));
		-moz-box-shadow:0px 7px 10px rgba(253, 173, 105,.7); -webkit-box-shadow:0px 7px 10px rgba(253, 173, 105,.7); box-shadow:0px 7px 10px rgba(253, 173, 105,.7);
	}
}